Search a number
-
+
54219688942848 = 28311132363110459
BaseRepresentation
bin11000101010000000000010…
…10011001001110100000000
321002222100111100100120121220
430111000001103021310000
524101313410332132343
6311152103051515040
714264146302554052
oct1425000123116400
9232870440316556
1054219688942848
11163044939a4050
1260b8180158a80
132433b82945900
14d5636589d8d2
156405a2865183
hex3150014c9d00

54219688942848 has 432 divisors, whose sum is σ = 170526057569280. Its totient is φ = 15160719974400.

The previous prime is 54219688942847. The next prime is 54219688942849. The reversal of 54219688942848 is 84824988691245.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54219688942847) and next prime (54219688942849).

It is a super-2 number, since 2×542196889428482 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54219688942847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5184017043 + ... + 5184027501.

Almost surely, 254219688942848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54219688942848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85263028784640).

54219688942848 is an abundant number, since it is smaller than the sum of its proper divisors (116306368626432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54219688942848 is a wasteful number, since it uses less digits than its factorization.

54219688942848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14146 (or 14119 counting only the distinct ones).

The product of its digits is 2548039680, while the sum is 78.

The spelling of 54219688942848 in words is "fifty-four trillion, two hundred nineteen billion, six hundred eighty-eight million, nine hundred forty-two thousand, eight hundred forty-eight".